AP chemistry homework help?

The standard free energy of formation of nitric oxide, NO, at 1000 K (roughly the temperature in an automobile engine during ignition) is 78 kJ/mol. Calculate the equilibrium constant for the the reaction N2(g) + O2(g)<-->2NO(g) at 1000 K. Please help! My AP Chem exam is on Monday and I would really like... show more The standard free energy of formation of nitric oxide, NO, at 1000 K (roughly the temperature in an automobile engine during ignition) is 78 kJ/mol. Calculate the equilibrium constant for the the reaction N2(g) + O2(g)<-->2NO(g) at 1000 K.

Please help! My AP Chem exam is on Monday and I would really like to understand this.
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